The Kobi Electric K6Q6 (P/N NDL4-15-50-WFL-CWH-MV) 17W 4" LED down light fixture is made for new construction installations. It has a rated voltage of 120-277V with a luminosity of 1000Lm and color temperature of 5000K. It has a life expectancy of 35,000 hrs and an operating temperature range of -4 F to 113 F (-20 C to 45 C). This recessed light fixture has an aluminum housing with a frosted lens. Suitable for damp locations. Note: A 4" frame must be used with this fixture to ensure correct operation (See product accessories sold separately below).